ORTHOGONAL ACOUSTICAL FACTORS OF SOUND FIELDS IN A FOREST COMPARED WITH THOSE IN A CONCERT HALL
ORTHOGONAL ACOUSTICAL FACTORS OF SOUND FIELDS IN A FOREST COMPARED WITH THOSE IN A CONCERT HALL
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森林声场与音乐厅声场的正交声学因素比较
DOI：
10.1121/1.424360
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发表时间：
1998
影响因子：
2.4
通讯作者：
Y. Ando
中科院分区：
文献类型：
--
作者：
Hiroyuki Sakai;Shin;Y. Ando
为了讨论森林中声场的声学质量，进行了测量以获得四个正交因子[Y.安藤，J.阿库斯特。苏克。是。 74, 873–887 (1983)]。结果与音乐厅的结果进行了比较。例如，在森林中，距声源 40 m 处的后续混响时间 Tsub 为 1.66 s (500 Hz)，耳间互相关 (IACC) 为 0.44 (1 kHz)。这样的室外空间具有针对涉及中频和高频范围的某些声源混合的特定声学特性。研究发现，森林中与声场视源宽度（ASW）相关的耳间互相关函数宽度WIACC的值小于音乐厅中的值。
In order to discuss acoustical quality of sound fields in a forest, measurements were carried out obtaining four orthogonal factors [Y. Ando, J. Acoust. Soc. Am. 74, 873–887 (1983)]. Results were compared with those in a concert hall. In the forest, for example, the subsequent reverberation time, Tsub was 1.66 s (500 Hz), and the interaural cross correlation (IACC) was 0.44 (1 kHz) at a point 40 m from the source. Such an outdoor space has specific acoustic properties being blended for certain sound sources involving the middle and higher frequency ranges. It was found that the value of the width of the interaural cross-correlation function, WIACC, which is related to the apparent source width (ASW) of sound fields in the forest, was smaller than that in the concert hall.